
Elements de la taula periòdica 1 i 2
Authored by VÍCTOR MARTÍNEZ
Physics
2nd Grade
Used 2+ times

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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Què element dels següents té l'estat d'oxidació -1?
H
Li
Ca
Ba
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quin element no pertany al mateix grup?
Li
Sr
Na
K
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
L'estat d'oxidació dels següents elements (Li, Na, K) és:
-1
+2
+1
+3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El símbol Ca identifica al següent element:
Carboni
Calci
Cobalt
Cesi
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
L'estat d'oxidació dels següents elements (Mg, Be, Ra) és:
1
-2
+2
-1
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
El símbol Be fa referència a l'element:
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